AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 7 7745HX

VS

AMD Ryzen 5 PRO 8645HS

AMD Ryzen 7 7745HX

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen 7 7745HX with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8645HS 's Advantages

Released 1 years and 3 months late

Higher specification of memory (7500 vs 5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Higher base frequency (4.3GHz vs 3.6GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (54W vs 75W)

AMD Ryzen 7 7745HX 's Advantages

Newer PCIe version (5.0 vs 4)

Larger L3 cache size (32MB vs 16MB)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8645HS

2478

AMD Ryzen 7 7745HX +12%

2792

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8645HS

10306

AMD Ryzen 7 7745HX +46%

15066

Cinebench 2024 Single Core

AMD Ryzen 5 PRO 8645HS

99

AMD Ryzen 7 7745HX +8%

107

Cinebench 2024 Multi Core

AMD Ryzen 5 PRO 8645HS

701

AMD Ryzen 7 7745HX +32%

929

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen 7 7745HX

General Parameters

Apr 2024

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FP7

Socket

FL1

Radeon 760M

Integrated Graphics

Radeon 610M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

5 nm

35-54 W

Power Consumption

45-75 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

4.3 GHz

Performance Core Base Frequency

3.6 GHz

5 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

43.0

Multiplier

36x

64 KB per core

L1 Cache

64 K per core

6 MB

L2 Cache

1 MB per core

16 MB

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600,LPDDR5x-7500

Memory Types

DDR5-5200

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

2600 MHz

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

8

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.49 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

AMD Ryzen 7 7745HX

4

PCIe Version

5.0

20

PCIe Lanes

28

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